Semi-Hermetic Two-stage Reciprocating Refrigeration Compressor Unit

Lynxcool factory supplier Semi-Hermetic Two-stage Reciprocating Refrigeration Compressor Unit offers robust performance for commercial and industrial cooling. It features high working pressure up to 28 bar, suction-gas motor cooling, internal pressure relief, and integrated motor protection.The compressor supports 2–8 cylinder configurations (3–70 HP) and multiple refrigerants including R290, R404A, R407C, and R134a. Widely applied in supermarkets, food processing, pharmaceuticals, HVAC, and logistics, it provides reliable, low-vibration, and energy-efficient operation.

Technical Features

1.High Working Pressure (Up to 28 Bar):The Semi-Hermetic Two-stage Reciprocating Refrigeration Compressor Unit Handles demanding refrigeration systems with stable, efficient performance, supporting complex designs safely.

2.Compact Integrated Design: Combines filter, service shut-off valve, and temperature sensor within the compressor body, simplifying piping and reducing installation space and costs.

3.RefComp Crankshaft with Counterweights: Precision-balanced design minimizes vibration, reduces mechanical stress, extends component life, and ensures quiet operation.

4.High Efficiency & Low Noise: Optimized valve geometry and gas flow, plus high-strength materials, deliver high refrigerating efficiency with minimal vibration and noise.

5.Flexible Capacity Modulation: Adjustable cylinder configuration and capacity control match cooling output to actual demand, improving part-load efficiency.

6.Integrated Motor Protection: Built-in module safeguards against over-current, over-temperature, phase loss/reversal, and other faults, reducing downtime and simplifying control panels.

7.Internal Pressure Relief Valve: Automatically equalizes high/low side pressures, protecting the compressor during startup and rapid load changes.

8.Suction Gas Motor Cooling: Refrigerant gas cools the motor windings directly, enhancing reliability, extending motor life, and improving energy efficiency.

Available Configurations

Key Technical Specifications

Application

The SP Series Semi-Hermetic Two-stage Reciprocating Refrigeration Compressor Unit is suitable for a wide range of commercial and industrial refrigeration and air conditioning applications, including:

● Commercial Refrigeration: Supermarkets, convenience stores, walk-in coolers and freezers, and food retail display cases.

● Industrial Refrigeration: Food processing plants, cold storage warehouses, and blast freezing facilities.

● Air Conditioning Systems: Commercial HVAC, rooftop package units, and precision cooling for data centers and clean rooms.

● Food & Beverage Industry: Breweries, dairy processing, beverage chilling, and perishable goods preservation.

● Pharmaceutical & Healthcare: Temperature-controlled storage for medicines, vaccines, and biological materials.

● Hospitality & Retail: Hotels, restaurants, catering facilities, and shopping centers.

● Transportation Refrigeration: Refrigerated transport and logistics cooling infrastructure.

● Environmental & Green Building Projects: Energy-efficient solutions for LEED-certified and low-carbon buildings.

Global Project Experience

Our Semi-Hermetic Two-stage Reciprocating Refrigeration Compressor Unit have been successfully implemented in numerous projects across diverse industries:

● Food Processing: Ensuring optimal storage and processing conditions for perishable products.

● Logistics & Warehousing: Delivering stable cooling solutions for distribution centers and storage facilities.

● Pharmaceuticals: Providing precise temperature control for sensitive medical and biological products.

● Industrial Applications: Supporting chemical storage and manufacturing processes with reliable cooling.

We have established long-term partnerships with globally recognized companies such as Nestlé, Coca-Cola, PepsiCo, Mars, Danone, Unilever, and Lineage Logistics, reflecting the proven reliability and performance of our refrigeration equipment.

FAQ

Q1. What applications is Semi-Hermetic Two-stage Reciprocating Refrigeration Compressor Unit suitable for?

A1:Commercial & industrial refrigeration, HVAC, food & beverage, pharmaceuticals, hospitality, transportation, and energy-efficient buildings.

Q2. What refrigerants can it use?

A2:Compatible with common medium- and low-temperature refrigerants.

Q3. How does it ensure energy efficiency?

A3:High volumetric and isentropic efficiency, optimized gas flow, and flexible capacity modulation reduce energy consumption.

Q4. What safety features are included?

A4:Internal pressure relief valve and integrated motor protection against over-current, over-temperature, and phase faults.

Q5. How does it handle noise and vibration?

A5:RefComp-designed crankshaft with counterweights and optimized components ensure smooth, quiet operation.

Q6. Can it fit tight spaces?

A6:Yes, compact integrated design simplifies installation and piping.

Q7. How is maintenance managed?

A7:Semi-hermetic design allows easy servicing, and built-in protections reduce failures.